Workfront - Sandbox Reports won't send

They will receive the notification when they login, but they will not get notified via email in the sandbox environment. 

Hi ​@HeatherLa6 

In Workfront Sandbox this is expected behavior – report emails are not sent like in Production.

• In Preview Sandbox, report delivery emails are always disabled and cannot be turned on. You can schedule a report, but at best it will generate a file (e.g. in your Documents), not send you an email.
• In Custom Refresh Sandbox, even there emails only work if the user has "Receive emails from this test environment" enabled, and external users never receive sandbox reports. So: you cannot rely on sandbox for emailing reports; only

So: you cannot rely on sandbox for emailing reports; only Production can truly send them via email. For details, see:https://experienceleague.adobe.com/en/docs/workfront/using/reporting/reports/create-manage-reports/send-report-preview-sandbox-environment https://experienceleague.adobe.com/en/docs/workfront/using/basics/use-notifications/enable-delivery-emails-from-preview-sandbox-environment